Fractions illustrated with 100 squares quiz online. In this quiz, students are introduced to the concept of fractions with visual aids. In the current case there is a square separated into grids. In each question a given number of grids are colored and you are asked to tell what fraction value they represent. This quiz is a MCQ and responses are fraction values. Only one option is correct. Look at the diagrams, solve the problem and answer the questions by choosing the correct answer. Review 3rd, 4th, 5th and 6th grade math skills.